I think a project like that should only be helmed by a black person and even then every misstep is still going to cause a lot of outrage.
Maybe a book series that if it does well, get's made into a series. But out the box TV Series which such a topic just because they pulled off Game of Thrones? Nahh.
********** "Everyone has a plan until you punch them in the face. Then they don't have a plan anymore." (c) Mike Tyson